Move over Pilates, take a hike Zumba, because there's a new health craze taking gyms and...er... farms everywhere by storm. Goat yoga, or goga is the latest sensation to sweep the Internet. It's a yoga workout, but with the addition of goats, and all the cool "kids" are lining up to practice their downward-facing goat and happy baby poses. In this brilliant guide, goat-yoga instructor Gus will tell you all you need to know about this hilarious fitness...